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crypto: talitos - reduce max key size for SEC1

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commit b8fbdc2bc4e71b62646031d5df5f08aafe15d5ad upstream.

SEC1 doesn't support SHA384/512, so it doesn't require
longer keys.

This patch reduces the max key size when the driver
is built for SEC1 only.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Fixes: 03d2c5114c95 ("crypto: talitos - Extend max key length for SHA384/512-HMAC and AEAD")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe Leroy 2019-05-21 13:34:09 +00:00 committed by Greg Kroah-Hartman
parent 3cb026dc28
commit 0ae9be9483
1 changed files with 4 additions and 0 deletions
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4
drivers/crypto/talitos.c
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@ -816,7 +816,11 @@ static void talitos_unregister_rng(struct device *dev)
* HMAC_SNOOP_NO_AFEA (HSNA) instead of type IPSEC_ESP
*/
#define TALITOS_CRA_PRIORITY_AEAD_HSNA (TALITOS_CRA_PRIORITY - 1)
#ifdef CONFIG_CRYPTO_DEV_TALITOS_SEC2
#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA512_BLOCK_SIZE)
#else
#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA256_BLOCK_SIZE)
#endif
#define TALITOS_MAX_IV_LENGTH 16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
struct talitos_ctx {